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Importing Wikidata short description: "Type of simulation" (Shortdesc helper) |
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{{Short description|Type of simulation}}
A '''discrete-event simulation''' ('''DES''') models the operation of a [[system]] as a ([[discrete time|discrete]]) [[sequence of events]] in time. Each event occurs at a particular instant in time and marks a change of [[State (computer science)|state]] in the system.<ref>{{cite book|title=''Simulation – The practice of model development and use''|author=Stewart Robinson|publisher=Wiley|year=2004}}</ref> Between consecutive events, no change in the system is assumed to occur; thus the simulation time can directly jump to the occurrence time of the next event, which is called '''next-event time progression'''.
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